President Pranab Mukherjee, Prime Minister Manmohan Singh and other top leaders paid homage to father of Indian Constitution, Dr. Bhimrao Ramji Ambedkar, on his 57th death anniversary in New Delhi on Thursday. Dr. B.R. Ambedkar, who is also known as Babasaheb, is remembered as India's Constitution architect and social reformer across the nation. He was a Jurist, politician, anthropologist and a historian, who revived Buddhism in India. Top leaders of India including members of ruling Congress party and the main opposition, Bharatiya Janata Party (BJP) were present during an event organized on the occasion.